Letter Flow & Soyou
Letter flow & Soyou — Perfect 03:17
레터 플로우 (Letter flow), 소유 (Soyou) — 완벽해 03:17
소유 — 완벽해 (with 레터 플로우) 03:09
LETTER FLOW, SOYOU (SISTAR) — 완벽해 03:09
Soyou X Letter Flow — Perfect 03:17
Soyou (SISTAR), Letter Flow — 완벽해 03:17
Soyou & Letter Flow — Perfect 03:09